Porter, R. B. (1980). Preridential decision making: The economic policy board. C.U.Pr.
Cita Chicago (17th ed.)Porter, Roger B. Preridential Decision Making: The Economic Policy Board. Cambridge: C.U.Pr, 1980.
Cita MLA (9th ed.)Porter, Roger B. Preridential Decision Making: The Economic Policy Board. C.U.Pr, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.